Control and Monitoring for Blasting Vibration during Excavation of the Shallow and Long Span Tunnel<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Control and Monitoring for Blasting Vibration during Excavation of the Shallow and Long Span Tunnel

详细信息

责任者：Liu Xinrong （College of Civil Engineering ; Chongqing University ; Chongqing 400045 ; China） ; Huang Ming
刊名：The Chinese Journal of Geological Hazard and Control
出版年：2008
卷期：19(2)
关键词：隧道 ; tunnels ; 爆破 ; blasting
页码：p.44-48
图表：2 illus., 3 tables, 9 refs.
分类号：1702
issnNo：ISSN1003-8035
isbnNo：CN11-2825/P

摘要

The blasting vibration in the course of Shuangshan tunnel excavation in Chongqing is introduced, in order to control the impact of blasting vibration for mountaintop building. Various measures, such as cutting down the biggest pack amount of explosive in single segment, increasing the bore quantity for reducing the earthquake wave and choosing the suitable device and instrument are adopted. During the construction, a lot of blasting vibration monitoring points are laid at the top of Shuangshan. The obtained monitoring data shows that the vibration influence on the houses at the top of Shuangshan is very light, so the control technologies of blasting vibration are applied successfully, and the control technique will be a model to the following similar projects.